1 /* src/vm/jit/reg.h - register allocator header
3 Copyright (C) 1996-2005, 2006, 2007, 2008
4 CACAOVM - Verein zur Foerderung der freien virtuellen Maschine CACAO
6 This file is part of CACAO.
8 This program is free software; you can redistribute it and/or
9 modify it under the terms of the GNU General Public License as
10 published by the Free Software Foundation; either version 2, or (at
11 your option) any later version.
13 This program is distributed in the hope that it will be useful, but
14 WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with this program; if not, write to the Free Software
20 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
29 /* forward typedefs ***********************************************************/
31 typedef struct varinfo varinfo;
32 typedef struct registerdata registerdata;
40 #include "vm/jit/jit.h"
41 #include "vm/jit/verify/typeinfo.h"
44 /************************* pseudo variable structure **************************/
47 s4 type; /* basic type of variable */
48 s4 flags; /* flags (SAVED, INMEMORY) */
50 s4 regoff; /* register number or memory offset */
58 #if defined(ENABLE_VERIFIER)
59 typeinfo_t typeinfo; /* type info for reference types */
63 typedef struct varinfo varinfo5[5];
67 int intreg_ret; /* register to return integer values */
68 int fltreg_ret; /* register for return float values */
70 int *tmpintregs; /* scratch integer registers */
71 int *savintregs; /* saved integer registers */
72 int *tmpfltregs; /* scratch float registers */
73 int *savfltregs; /* saved float registers */
74 int *freeargintregs; /* free argument integer registers */
75 int *freetmpintregs; /* free scratch integer registers */
76 int *freesavintregs; /* free saved integer registers */
77 int *freeargfltregs; /* free argument float registers */
78 int *freetmpfltregs; /* free scratch float registers */
79 int *freesavfltregs; /* free saved float registers */
81 #ifdef HAS_ADDRESS_REGISTER_FILE
82 int adrreg_ret; /* register to return address values */
84 int *argadrregs; /* argument address registers */
85 int *tmpadrregs; /* scratch address registers */
86 int *savadrregs; /* saved address registers */
87 int *freeargadrregs; /* free argument address registers */
88 int *freetmpadrregs; /* free scratch address registers */
89 int *freesavadrregs; /* free saved address registers */
91 int *adrusedinout; /* is this adr register uses as INOUT? */
93 int argadrreguse; /* used argument address register count */
94 int tmpadrreguse; /* used scratch address register count */
95 int savadrreguse; /* used saved address register count */
97 int freetmpadrtop; /* free scratch address register count */
98 int freesavadrtop; /* free saved address register count */
99 int freeargadrtop; /* free argument address register count */
102 #if defined(HAS_4BYTE_STACKSLOT)
106 int *freemem; /* free scratch memory */
107 int freememtop; /* free memory count */
109 int memuse; /* used memory count */
111 int argintreguse; /* used argument integer register count */
112 int tmpintreguse; /* used scratch integer register count */
113 int savintreguse; /* used saved integer register count */
114 int argfltreguse; /* used argument float register count */
115 int tmpfltreguse; /* used scratch float register count */
116 int savfltreguse; /* used saved float register count */
118 int freearginttop; /* free argument integer register count */
119 int freeargflttop; /* free argument float register count */
120 int freetmpinttop; /* free scratch integer register count */
121 int freesavinttop; /* free saved integer register count */
122 int freetmpflttop; /* free scratch float register count */
123 int freesavflttop; /* free saved float register count */
125 int *intusedinout; /* is this int register uses as INOUT? */
126 int *fltusedinout; /* is this flt register uses as INOUT? */
127 int *regisoutvar; /* true if reg. is outvar of this block */
128 int *regcopycount; /* counts copies of each register regoff */
129 int *memcopycount; /* counts copies of each INMEMORY regoff */
130 int memcopycountsize; /* size of memcopycount buffer */
134 /* function prototypes ********************************************************/
140 void reg_setup(jitdata *jd);
150 * These are local overrides for various environment variables in Emacs.
151 * Please do not remove this and leave it at the end of the file, where
152 * Emacs will automagically detect them.
153 * ---------------------------------------------------------------------
156 * indent-tabs-mode: t
160 * vim:noexpandtab:sw=4:ts=4: